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Finding the Fourth Proportional to 69,476.87, 95,878.42 and 37,645.83

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Solution

The fourth proportional to 69,476.87, 95,878.42 and 37,645.83 is: 51,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,476.87 : 95,878.42 = 37,645.83 : x
  2. Step 2: Convert to fraction form
    69,476.87/95,878.42 = 37,645.83/x
  3. Step 3: Cross multiply
    69,476.87x = 95,878.42 × 37,645.83
  4. Step 4: Simplify right side
    69,476.87x = 3,609,422,605.87
  5. Step 5: Solve for x
    x = 3,609,422,605.87/69,476.87
  6. Step 6: Final answer
    x = 51,951.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.